Reliable Fuel Delivery & HVAC Services Across New Haven County
J.J. Sullivan Oil & Propane proudly serves homeowners and businesses throughout New Haven County and beyond with dependable fuel delivery and expert HVAC services.
Our team is committed to keeping your home safe and comfortable in every season, offering home heating oil, propane fuel, and HVAC solutions you can count on.
From the shoreline communities of East Haven to East Lyme and north to Higganum, we are your trusted local energy partner.
Heating Oil Delivery Area
Branford, Clinton, Durham, East Haven, Guilford, Killingworth, Madison, North Branford, Northford, Westbrook
Propane Delivery Area
Branford, Clinton, Deep River, Durham, East Haven, East Lyme, Essex, Guilford, Higganum, Ivoryton, Killingworth, Madison, North Branford, Northford, Old Lyme, Old Saybrook, Westbrook